\documentclass[a5paper, twoside]{book}

% packages
\input{settings/packages}

% page settings
\input{settings/page}

%big greek chi
\DeclareRobustCommand{\rchi}{{\mathpalette\irchi\relax}}
\newcommand{\irchi}[2]{\raisebox{\depth}{$#1\chi$}}


\begin{document}

% cover page
\input{content/title_page_1}
\clearpage
%\thispagestyle{empty}
%\title{Решебник Начала теории множеств}
%\author{m3rlin}
%\date{}
%\maketitle


%tableofcontent :)
\thispagestyle{empty}
\tableofcontents
\clearpage


%content      
\thispagestyle{empty}
\chapter{Множества и мощности}
\input{content/ch_1}
\input{content/ch_2}
\input{content/ch_3}
\input{content/ch_4}
\input{content/ch_5}
\input{content/ch_6}
\input{content/ch_7}
\input{content/ch_8}
\thispagestyle{empty}
\chapter{Упорядоченные множества}
\input{content/ch_9}
 
%\bibliography{literature/library}

\end{document}
